IT Operations had observed short CPU spikes and I/O storms prior to a retail website outage. Which functionality of Diagnostics Pack for Oracle Databases would you implement to diagnose and resolve the customers issue?
A. Active Workload History to collect SQL at the time of its execution.
B. SQL Performance Analyzer to capture the information in the SGA, the sessions active, and analyze theSQL executing.
C. Oracle Workload Advisor that automatically turns on and captures the offending SQL Statements whenthresholds are reached.
D. Active Session History to capture sessions and dump the SQL executing, performance attributes andrelevant information into a buffer for analysis.
E. Active SQL History Analyzer to doperform a comparison of SQL statements before and after.
F. Oracle Exadata, as it already includes Diagnostic Pack for Oracle Database.
Starting with Oracle Database 11gR2, which are two additional partitioning capabilities that aid Oracle Database Performance and Tuning?
A. Hash Partitioning
B. Reference Partitioning
C. Composite Partitioning
D. Interval Partitioning
E. Disk Partitioning
You need to load SQL statements from a time period of optimal performance to compare against a time period that performance was reported as poor. Which functionality would you use to accomplish that task?
A. Optimizer Statistics Comparator
B. Dynamic Baseline Advisor
C. Automatic Workload Repository Baselines
D. SQL Tuning Sets
E. Database Replay
Which are two kinds of statistics collected and processed by the Automatic Workload Repository (AWR) you would utilize when tuning an Oracle Database instance?
A. Wait Event statistics
B. Session and System statistics
C. User privileges statistics
D. Standby Database throughput statistics
E. Interconnect statistics
Which are three practices that developers can use to enhance performance, scalability, and availability of Oracle Database-driven applications?
A. Implement primary and foreign keys, enforce database integrity, joins, message queuing, maintenance ofsequencesoutside of the database.
B. Use Big Data to hold everything into one big table.
C. Maintain and analyze performance statistics using AWR and ADDM.
D. Eliminate hot spots in applications, monitor, measure, and optimize SQL statement execution.
E. Perform testing with Real Application Testing.
To analyze all database instances in an Oracle Real Application Cluster, in which mode would you run Automatic Database Diagnostic Monitor?
A. INSTANCE
B. DATABASE
C. FULL
D. CLUSTER
E. PARTIAL
F. ALL
For which two capabilities would you implement Segment Advisor in order to aid a customer trying to find and fix performance issues related to database space?
A. to determine if objects have unusedspace that can be released
B. to advise if materialized views can be used to reduce size of views
C. to review space usage of individual schema objects or tablespaces
D. to advise if there are any duplicate indexes and automate their removal
E. to identify any fragmentation in the database cache or swap space
What are three activities an Oracle Database Performance and Tuning solution enables a customer to perform?
A. standardize database troubleshooting and diagnostics
B. control database clouds.
C. automate database performance management
D. perform global database backup
E. outsource database operations
F. replay and test actual workloads to assure database performance and consolidatios.
A customer has database performance issues within their Oracle Real Application Cluster. What is the next step?
A. Run the V$RAC script to dump all the RAC statistics and look for what has the highest metric accumulation.
B. Use the application load testing utility to overload a copy of their application in development to flush out theissue.
C. Turnoff RAC interconnects to isolate any network issues impacting database performance problems.
D. Use a third-party RAC tool to identify the bad SQL and then rewrite it.
E. Utilize the Oracle Database Performance Method to help identify and correct issue.
Which are three use cases in which SQL Performance Analyzer can be used?
A. find and flashback explain plan anomalies
B. simulate Exadata on existing hardware
C. forecast impact of a system change on aSQL workload
D. compare performance of SQL statements before and after a change
E. debug SQL code syntax before and after a change
F. JSQL Heap Memory overflow testing
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